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UL 60947-4-1:2026 (2026)
Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters - Electromechanical Contactors and Motor-Starters - Published Date: May 29, 2026
This revision of ANSI/UL 60947-4-1 dated May 29, 2026 includes the following changes in requirements: – Addition of Class CF; Table DVB.1 – Revision to Short Circuit Marking Requirement; 6.2.6.2DV.2.1 – Correction to Annex DVC Reference to AC3 Ratings; 9.3.3.5.3.9.3.3.5.3DV, Table DVC.4.2.1.1.1, Table DVC.4.2.1.1.2, Table DVC.4.2.1.1.3, Table DVC.4.2.1.1.5, Table DVC.5.1.3.1.1, and Table DVC.5.1.4.1.1. – Revision to Table 9.3.3.6DV.1 – Allowance to Provide User or Installation Manual Information Via the Internet; 6.2.6.2DV.1.1, Table 6.2DV.1, 6.2.6.2DV.1.2, 6.2.6.2DV.1.3, Figure 6.2DV.1, Figure 6.2DV.2, and Figure 6.2DV.3. – Correction to Annex DVC References to Undervoltage / Overvoltage Test and Calibration Test; 9.3.1.9.3.1DV.1, Table DVC.4.2.1.1.1, Table DVC.4.2.1.1.3, Table DVC.4.2.1.1.4, Table DVC.4.2.1.1.5, and Annex DVC.DVC.5.1.6 UL 60947-4-1 is an adoption of IEC 60947-4-1, Edition 3.0, issued 2009 and its amendment 1, issued (2012). Please note that the National Difference document incorporates all of the U.S. national differences for UL 60947-4-1.
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